<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="pdepartmenting-bottom: 0px;">
			<el-form :inline="true" :model="filters">
				<el-form-item>
					<el-input v-model="filters.keyword" placeholder="关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="search">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表-->
		<el-table :data="departments" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="sn" label="编码" width="120" sortable>
			</el-table-column>
			<el-table-column prop="name" label="名称" width="120" sortable>
			</el-table-column>
			<el-table-column prop="state" label="状态" width="100" sortable>
				<template scope="scope">
					<span style="color: green" v-if="scope.row.state === 0">启用</span>
					<span style="color: red" v-else-if="scope.row.state === -1">禁用</span>
					<span style="color:dimgray" v-else>未知</span>

				</template>
			</el-table-column>
			<el-table-column prop="manager.username" label="管理员" width="100" sortable>
			</el-table-column>
			<el-table-column prop="parent.name" label="上级部门" width="120" sortable>
			</el-table-column>
			<el-table-column label="操作" width="150">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination layout="prev, pager, next"
						   @current-change="handleCurrentChange"
						   :current-page="currentPage"
						   :page-size="pageSize"
						   :total="total"
						   style="float:right;">
			</el-pagination>
		</el-col>

		<!--新增界面
			:visible.sync= 控制模态框是否显示 为true就显示
			:rules  绑定模型层的属性校验规则
			prop= 用来申明校验规则的属性名
			ref= 给当前表单取一个别名 方便后面表单提交的时候，做整体校验
		-->
		<el-dialog :title="title" :visible.sync="departmentFormVisible" :close-on-click-modal="false">
			<el-form :model="departmentForm" label-width="80px" :rules="departmentFormRules" ref="departmentForm">
				<el-form-item label="名称" prop="name">
					<el-input v-model="departmentForm.name" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="编号" prop="sn">
					<el-input v-model="departmentForm.sn" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="状态">
					<el-radio-group v-model="departmentForm.state">
						<el-radio class="radio" :label="0">启用</el-radio>
						<el-radio class="radio" :label="-1">禁用</el-radio>
					</el-radio-group>
				</el-form-item>
				<!--
					  <el-option 下拉列表的选项
					  :label     选中的行在窗体中显示的值
					  :value     你选中后需要绑定给模型层的值
					    注意：:value默认只能传递值，不能传递对象
					         如果需要传递对象，需要指明 value-key="id"
					  :key       唯一标识  id

					-->
				<el-form-item label="管理员">
					<el-select v-model="departmentForm.manager"  value-key="id" placeholder="请选择">
						<el-option
								v-for="item in employees"
								:key="item.id"
								:label="item.username"
								:value="item">
							<span style="float: left">{{ item.username }}</span>
							<span style="float: right; color: #8492a6; font-size: 13px">{{ item.phone }}</span>
						</el-option>
					</el-select>
				</el-form-item>
				<el-form-item label="父部门">
					<!--<el-input v-model="departmentForm.parent"></el-input>-->
					<el-cascader v-model="departmentForm.parent"
							:options="deptTree"
							:props="{ checkStrictly: true,
									  label: 'name',
									  value:'id'
							 }"
							clearable></el-cascader>
				</el-form-item>
			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="departmentFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="departmentSubmit" :loading="departmentLoading">提交</el-button>
			</div>
		</el-dialog>
	</section>
</template>

<script>
    export default {
        data() {
            return {
                title:"",
                filters: {
                    keyword: ''
                },
                departments: [],//部门展示
				employees:[],//管理员展示
				deptTree:[],//部门树展示
                total: 0,
                currentPage:1,
                pageSize: 4,
                listLoading: false,
                sels: [],//列表选中行

                departmentFormVisible: false,//新增界面是否显示
                departmentLoading: false,
                departmentFormRules: {
                    name: [
                        { required: true, message: '请输入名称', trigger: 'blur' }
                    ],
                    sn: [
                        { required: true, message: '请输入编号', trigger: 'blur' }
                    ]
                },
                //新增界面数据
                departmentForm: {
                    id:null,
                    name: '',
                    sn: "",
                    state: 0,
                    manager: null,
                    parent: null
                }

            }
        },
        methods: {
            handleCurrentChange(val) {
                this.currentPage = val;
                this.getDepartments();
            },
            search(){
              this.currentPage=1;
              this.getDepartments();
			},
            //获取部门树
            getdeptTree(){
                this.$http.get("/dept/tree")
                    .then(result=>{
                        this.deptTree=result.data;
                    })
                    .catch(result=>{
                        this.$message({
                            message: '操作失败！',
                            type: 'error'
                        });
                    })
            },
			//获取员工列表
			getEmployees(){
			this.$http.get("/emp")
				.then(result=>{
				    this.employees=result.data;
				})
				.catch(result=>{
                    this.$message({
                        message: '操作失败！',
                        type: 'error'
                    });
				})
			},
            //获取部门列表
            getDepartments() {
                let para = {//请求参数
                    currentPage: this.currentPage,
                    pageSize: this.pageSize,
                    keyword: this.filters.keyword
                };
                this.listLoading = true;//开启忙等框
                //这里发送axios请求从后端拿数据
                this.$http.post("/dept",para)
                    .then(result=>{
                        this.listLoading = false;//关闭忙等框
                        result = result.data;//PageList
                        console.log(result);
                        this.departments = result.data;
                        this.total = result.total;

                    })
                    .catch(result=>{
                        this.$message({
                            message: '操作失败！',
                            type: 'error'
                        });
                    })

            },
            //删除
            handleDel: function (index, row) {
                this.$confirm('确认删除该记录吗?', '温馨提示', {
                    type: 'warning'
                }).then(() => {//点击确定按钮
                    this.listLoading = true;//开启忙等框
                    this.$http.delete("/dept/"+ row.id)
                        .then(result=>{
                            //3.关闭忙等框
                            this.listLoading = false;//关闭忙等框
                            result = result.data;//AjaxResult
                            //1.要提示后端业务执行到底是：成功还是失败
                            if(result.success){
                                this.$message({
                                    message: '删除成功！',
                                    type: 'success'
                                });
                            }else{
                                this.$message({
                                    message: result.message,
                                    type: 'error'
                                });
                            }
                            //4.定位到第一页 要？ 如果不要会不会有问题？
                            this.currentPage = 1;
                            //2.刷新页面
                            this.getDepartments();

                        })
                        .catch(result=>{
                            console.log(result);
                            this.$message({
                                message: '操作失败',
                                type: 'error'
                            });
                        });
                }).catch(() => {//点击取消

                });
            },
            //显示编辑界面
            handleEdit: function (index, row) {
                //获取部门树
                this.getdeptTree();
                this.title = "编辑";
                this.departmentFormVisible = true;//控制新增或者编辑的模态框的显示
                // Object.assign 克隆
                this.departmentForm = Object.assign({}, row);
                console.log("-----"+row.dirPath);
                //拆分dirPath
				if(row.dirPath){//dirPath为空那么就是顶级部门不为空我们才拆分
                    let array = row.dirPath.split("/")//模拟数据["","53","54","55"]
					let parent=[];//定义一个数组装array
					for(var i=1;i<array.length-1;i++){
					    //为什么要从1开始因为数组按照/分割的时候前面会有一个空数据
						//为什么是array.length-1我们传递到后端只需要这个部门的上级id不需要自己部门的id
						parent.push(parseInt(array[i]));
						//为什么要使用parseInt转换数组因为传递到后端是整数类型不是字符串
					}
					console.log("========"+parent);
                    this.departmentForm.parent=parent;
				}

            },
            //显示新增界面
            handleAdd: function () {
                //获取部门树
                this.getdeptTree();
                this.title = "新增";
                this.departmentFormVisible = true;//控制新增或者编辑的模态框的显示
                this.departmentForm = {//清空历史遗留数据
                    id:null,
                    name: '',
                    sn: "",
                    state: 0,
                    manager: null,
                    parent: null
                };
            },
            //新增/编辑
            departmentSubmit: function () {
                this.$refs.departmentForm.validate((valid) => {
                    if (valid) {//表单校验成功
                        this.$confirm('确认提交吗？', '提示', {}).then(() => {
                            this.departmentLoading = true;//开启提交按钮忙等框
                            let param = Object.assign({}, this.departmentForm);
                            if(param.parent){
                                //处理存储dirPath
                                let parent = param.parent;//[1,11]
                                param.parent = {"id":parent[parent.length-1]};
                            }
							//发送请求
							this.$http.put("/dept",param)
								.then(result=>{
								    result = result.data;
								    this.departmentLoading = false;//关闭提交按钮忙等框
                                   if(result.success){
                                       this.departmentFormVisible = false;
                                       this.$message({
                                           message: '操作成功！！！',
                                           type: 'success'
                                       });
								   }else {
                                       this.$message({
                                           message:result.msg,
                                           type: 'error'
                                       });
								   }
								}).catch(result=>{
									console.log(result)
									alert("出错了！！！")
							})
                        });
                    }
                });
            },
            selsChange: function (sels) {//每点击一次复选框，会把当前页面上所选中的所有行的数据封装到sels
                this.sels = sels;
            },
            //批量删除
            batchRemove: function () {
                var ids = this.sels.map(item => item.id);//[1,2,3]
                this.$confirm('确认删除选中记录吗？', '温馨提示', {
                    type: 'warning'
                }).then(() => {
                    this.listLoading = true;
                    this.$http.patch("/dept",ids)
                        .then(result=>{
                            //3.关闭忙等框
                            this.listLoading = false;//关闭忙等框
                            result = result.data;//AjaxResult
                            //1.要提示后端业务执行到底是：成功还是失败
                            if(result.success){
                                this.$message({
                                    message: '删除成功！',
                                    type: 'success'
                                });
                            }else{
                                this.$message({
                                    message: result.msg,
                                    type: 'error'
                                });
                            }
                            //4.定位到第一页 要？ 如果不要会不会有问题？
                            this.currentPage = 1;
                            //2.刷新页面
                            this.getDepartments();
                        })
                        .catch(result=>{
                            console.log(result);
                            this.$message({
                                message: '操作失败',
                                type: 'error'
                            });
                        });
                }).catch(() => {

                });
            }
        },
        mounted() {
            //获取部门列表
            this.getDepartments();
            //获取员工列表
            this.getEmployees();

        }
    }

</script>

<style scoped>

</style>